Ferrous Sulfate Iron
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What it is
Ferrous sulfate is a type of iron salt. It is made by reacting iron with sulfuric acid. It is commonly used as a source of iron in fortified foods and dietary supplements.
Why it's used
Manufacturers add ferrous sulfate to foods to increase their iron content, helping to prevent iron deficiency. It is often found in enriched grain products like pasta and cereals, as well as in some infant formulas and nutritional beverages.
Health notes
Ferrous sulfate is generally recognized as safe (GRAS) by the FDA when used as a nutrient supplement. Iron is an essential mineral for human health, involved in oxygen transport and energy production. JECFA has evaluated iron and its compounds and established acceptable daily intakes. While iron is vital, excessive iron intake can be harmful, particularly for individuals with certain genetic conditions. The US National Academies have established upper intake levels for iron.
Allergen info
Ferrous sulfate is not one of the nine major allergens and does not contain gluten.